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120100110220 = 2256005005511
BaseRepresentation
bin110111111011010000…
…1100011111110001100
3102110222222112201220101
41233312201203332030
53431431112011340
6131101230100444
711451123043636
oct1576641437614
9373888481811
10120100110220
1146a30421442
121b33934a724
13b42cb6909c
145b54765a56
1531cdb7cc9a
hex1bf6863f8c

120100110220 has 12 divisors (see below), whose sum is σ = 252210231504. Its totient is φ = 48040044080.

The previous prime is 120100110211. The next prime is 120100110233. The reversal of 120100110220 is 22011001021.

Adding to 120100110220 its reverse (22011001021), we get a palindrome (142111111241).

It is a super-2 number, since 2×1201001102202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 120100110197 and 120100110206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002502736 + ... + 3002502775.

It is an arithmetic number, because the mean of its divisors is an integer number (21017519292).

Almost surely, 2120100110220 is an apocalyptic number.

120100110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120100110220 is an abundant number, since it is smaller than the sum of its proper divisors (132110121284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120100110220 is a wasteful number, since it uses less digits than its factorization.

120100110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005005520 (or 6005005518 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The spelling of 120100110220 in words is "one hundred twenty billion, one hundred million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 6005005511 12010011022 24020022044 30025027555 60050055110 120100110220